INCOME TAXES - Reconciliation (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
INCOME TAXES
Net increase in net assets resulting from operations	$ 17,533,167	$ 14,491,784	$ 33,572,872
Net change in unrealized (appreciation) depreciation	(2,785,648)	17,536,190	6,928,160
Income tax provision	(2,860,890)	213,214	2,446,352
Loss on debt extinguishment			539,250
Pre-tax expense (income), loss (gain) reported at Taxable Subsidiaries, not consolidated for tax purposes	20,172,550	1,392,247	(16,619,608)
Long term capital loss carryover			(4,896,643)
Book income and tax income differences, including debt origination, interest accrual, income from pass-through investments, dividends, realized gains (losses) and changes in estimates	11,860,086	(3,615,815)	3,205,514
Estimated taxable income	43,919,265	30,017,620	25,175,897
Taxable income earned in prior year and carried forward for distribution in current year	28,606,043	24,011,459	21,051,549
Taxable income earned prior to period end and carried forward	(36,997,828)	(28,606,043)	(25,182,518)
Distribution payable as of period end and paid in following period			1,171,059
Total distributions accrued or paid to common stockholders	$ 35,527,480	$ 25,423,036	$ 22,215,987